彩虹图 vs CipherNook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
彩虹图
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极简视屏动图转化器，可以将您拍摄的一些视屏转化为高清晰度的gif图，支持截取，速度调整，帧数调整！
CipherNook
This app provides a secure, offline sanctuary for your notes, photos, and voice recordings. It uses end-to-end encryption to ensure your data remains private and accessible only to you, with no internet connection or account registration required.
- Fully offline use
- End-to-end encryption
- Privacy-focused design
- No account registration
- Text, photo, and voice recording support
- Intuitive interface
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Welcome to CipherNook: Your Private Encrypted Notepad. In an era where digital acceleration makes our personal information and privacy more vulnerable than ever, CipherNook offers a secure sanctuary for your notes, photos, voice recordings, and more. Designed with privacy protection in mind, this fully offline notepad app ensures your memories are safe, secure, and private. Key Features: Fully Offline Use: No internet connection required. All data is securely stored on your device. End-to-End Encryption: Leveraging advanced encryption technology to protect every entry, ensuring your data remains secure. Privacy First: We respect and protect the privacy of all users. Your data belongs to you alone, inaccessible to developers. User-Friendly: No account registration needed. Start using immediately after installation with an intuitive interface. Versatile Recording Methods: Supports text, photos, and voice recordings to cater to your various recording needs. Data Safety Tips: Users are strongly advised to set a complex password and regularly backup important data to prevent accidental loss. Usage Notice: Please ensure that you have read and agreed to our Terms of Use before using CipherNook. We emphasize data security and privacy, but it's crucial to protect your password since lost data cannot be recovered once the password is forgotten. About Us: CipherNook is developed by a team dedicated to privacy protection and data security. We believe everyone has the right to control their digital information. Should you have any questions or suggestions about CipherNook, please contact us at ciphernook@gmail.com. Download CipherNook now to enjoy a private and secure digital note-taking experience.
Screenshots
Verdict
The clearest difference is price: 彩虹图 at Free against CipherNook's $4.99. 彩虹图 also leads on iOS requirement (10.0 vs 13.0). CipherNook's advantage is update cadence (every 3 weeks vs every 38 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
彩虹图 is free to download; CipherNook costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
彩虹图 ships an update every 38 months, CipherNook every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | 彩虹图 | CipherNook |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 38 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 21 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 泽勇 周 | 国喜 宋 |
In-app purchases
彩虹图
No in-app purchases
CipherNook
No in-app purchases
